If once wired, your endstop reports the opposite of what it should via the <​kbd>​M119</​kbd>​ command ( <​kbd>​1</​kbd>​ when not triggered, and <​kbd>​0</​kbd>​ when triggered ), see the "​Testing"​ section.

+

If once wired, your endstop reports the opposite of what it should via the <​kbd>​M119</​kbd>​ command ( <​kbd>​1</​kbd>​ when triggered/pushed, and <​kbd>​0</​kbd>​ when not triggered ), see the "​Testing"​ section.

Some endstops might require removing their "​pull-up"​ configuration,​ in this case, change :

Some endstops might require removing their "​pull-up"​ configuration,​ in this case, change :